Alexander Crum Brown 1838 - 1922

Knitted interlacing red

Model of a Half-Twist Surface by Alexander Crum Brown, c 1900.

Plaster Surface Model by Alexander Crum Brown, c 1900.

Knitted light blue wool in a Klein bottle shape

Locked cylinder of three interlacing sheets of leather, with elliptical shapes

Interlacing sheets of different coloured varnished papier mache

Knitting needles used by Alexander Crum Brown to produce mathematical models

Interlaced red

Three interlacing sheets in red

Varnished interlacing sheets of leather in a cylinder shape

Set of tesselating wooden pieces in 3 colours to represent interlacing surfaces

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